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Now showing items 251-260 of 272
Different effect of nitrogen sources in autotrophic and mixotrophic culture of Scenedesmus spfor biomass and carotenoids production using acidic coal mine drainage effluentsEfecto de diferentes fuentes de nitrógeno en el cultivo autotrófico y mixotrófico de Scenedesmussp para la producción de biomasa y carotenoides utilizando efluentes ácidos de drenaje de minas de carbón
(Ingeniería Y Competitividad, 2021-10-30)
In the present study, the conditions for an autotrophic and mixotrophic culture of Scenedesmus sp were established. Effluents from acidic coal mine drains were used to study biomass and carotenoid production, both under ...
Procesos Avanzados De Oxidación Basados En Ozono Como Alternativa De Tratamiento Para Lixiviados De Rellenos SanitariosAdvanced Oxidation Processes Based on Ozone as a Treatment Alternative forLandfill Leaches
(Ciencia En Desarrollo, 2021-09-07)
Los procesos basados en ozono hacen parte de los Procesos Avanzados de Oxidación que se han aplicado sobre los lixiviados de rellenos sanitarios. Las características altamente tóxicas de los lixiviados de rellenos sanitarios, ...
Fluid-dynamic study of the behavior of the air inside a textile Stenter
(Journal of Physics: Conference Series, 2021-09-03)
In the textile industry, drying is one of the most important processes. This process requires large investments and high energy consumption, which generates high costs for companies in this sector. In this work, a modeling ...
Analysis of heat fluxes in ceramic block type building pieces
(Journal of Physics: Conference Series, 2021-09-02)
In Norte de Santander, Colombia, there is a ceramic cluster made up of 59 companies
dedicated to the production of construction materials derived from clay, a vernacular material
with a wide extraction potential in the ...
Factors shaping the COVID‑19 epidemic curve: a multi‑country analysis
(BMC Infectious Diseases, 2021-10-02)
Lockdown measures are the backbone of containment measures for the COVID-19 pandemic both
in high-income countries (HICs) and low- and middle-income countries (LMICs). However, in view of the inevitablyoccurring
second ...
Underlying variables in the understanding of movement in engineering students
(Journal of Physics: Conference Series, 2021-08-26)
This article describes the understanding of motion by active students taking Newtonian physics for engineering, supported by active learning, during the pandemic due to COVID-19; in addition, an unsupervised predictive ...
Effect of concentration areas in sensitive analysis of a hybrid solar Brayton cycle
(Journal of Physics: Conference Series, 2021-06-11)
A simple hybrid solar thermal Brayton cycle plant thermodynamic model is evaluated in northern Colombia, where the maximum solar radiation values in the country are found. The model considers the different irreversibilities ...
Impact of colchicine on leaf morphology and stomatics of Kalanchoe tubiflora (Harv.) Raym.- Hamet (Crassulaceae)
(Botanica Pacifica, 2021-09-24)
The demand of medicinal plants for consumption is greatly increasing worldwide. The conventional breeding programs are generally dependent on the environment prone to biotic and abiotic stresses. These added to the low ...
Physics in the structure and form of the architectural project. Museum of Contemporary Art Niterói, Brazil
(Journal of Physics: Conference Series, 2021-06-10)
This article analyzed the formal, functional, and structural aspects of the Museum of Contemporary Art Niterói in Brazil, by identifying the criteria associated with architecture and physics; this is to establish the ...
Development of an electro-pneumatic system for the practical training of pneumatic processes in the university environment
(Journal of Physics: Conference Series, 2021-06-11)
This article describes the implementation of an electro-pneumatic test bench, which
allows the availability of a physical environment to promote learning. The aim of the paper is to
create a tool that enables practical ...